Seat-belt warning device
First Claim
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1. A seat-belt warning system comprising:
- a device for sensing a seat occupancy by a passenger in a region of interest that includes a plurality of seats, said device for sensing seat occupancy comprising;
an optical imaging device configured to record a situation image using a single camera having a field of view that includes the region of interest and encompasses the plurality of seats, andan image evaluation unit configured to evaluate the recorded situation image of the plurality of seats such that seat occupancy is detected for each of the plurality of seats in the region of interest using the situation image captured by the single camera,a device for sensing a buckling status of a seat belt associated with said plurality of seats; and
a device structured to output a warning signal,wherein the device for sensing a buckling status of a seat belt comprises the optical imaging device, andwherein the seat belt has one or more markings which are detectable by the optical imaging device.
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Abstract
The invention relates to a seat-belt warning device comprising a device which detects a seat occupied by a passenger, a device which detects whether the seat-belt associated with a seat is being used, and a device which emits a warning signal. According to the invention, the device which detects seat occupancy by a passenger comprises an optical image-producing system comprising an image evaluation unit.
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Citations
6 Claims
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1. A seat-belt warning system comprising:
a device for sensing a seat occupancy by a passenger in a region of interest that includes a plurality of seats, said device for sensing seat occupancy comprising; an optical imaging device configured to record a situation image using a single camera having a field of view that includes the region of interest and encompasses the plurality of seats, and an image evaluation unit configured to evaluate the recorded situation image of the plurality of seats such that seat occupancy is detected for each of the plurality of seats in the region of interest using the situation image captured by the single camera, a device for sensing a buckling status of a seat belt associated with said plurality of seats; and a device structured to output a warning signal, wherein the device for sensing a buckling status of a seat belt comprises the optical imaging device, and wherein the seat belt has one or more markings which are detectable by the optical imaging device. - View Dependent Claims (2, 3, 4, 5, 6)
Specification